OpenTechnical

OT-2026-000051427

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000051427) never changes.

Identity and time

Publication numberOT-2026-000051427 · never reused
Internal UUID01a0ae83-7c7f-788e-8a09-652da9533799 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051427
StatusPUBLIC

Content hashes

Canonical text64c66b5127d2efee7d37b081a62d68cf0f9d71e69f13ecdc9a3479651d647c6a
Markdown81430862af2983369751281119592de506a240118ce76934bba47fd52a21476d
PDF
Publication page3ff1f5b02732ca054c40cc3b6ba12230690a312ee71dc21782567d5fe30d2873
Manifestf9f0351b2e3b0024863b418fb19d294feb6d225317ebe3df8dd3f5f1155ba3dc

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturelvLVevqwI6s0H3IN1iK+Eh0ZaJn27ZrEyxf+LFKcY1HDgrA2fw++1a/cr/Hp/uJHZUWJ0iqPGmQE/2oUPOwHAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:58:08.773039ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051427
observed 3ff1f5b02732ca054c40cc3b6ba12230...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.757537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051427/manifest.json
observed f9f0351b2e3b0024863b418fb19d294f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.739508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051427/publication.md
observed 81430862af2983369751281119592de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:08.720462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051427/publication.txt
observed 64c66b5127d2efee7d37b081a62d68cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.